David banders



D. SANDER S. STOVBPIPE DAMPER.

N0.104,889. Patented June 28, 1870.

W\TNESS.

Tom D. c. T: mums nuns C0,. Pun'rdun-n. WASNINE ta ent We strut dotting.

DAVID SANDERfi-OF MILWAUKEE,WISGONSIN,'ASSIGNOR TO HIMSELF AND J; D. PIERCE, OF SAME PLACE.

Letters Patent No. 104,889, dated June 28, 1870.

STOVE-PIPE DAMPER.

The Schedule referred to-in ,ihese Letters Patent and making part of the same.

1, DAVID SANDERS, of- Milwaukee and county of Milwaukee, in the State of Wisconsin, have invented certain Improvements in Dampers, of which the following is a specification.

Nature and Object of the Invention. The nature of my invention is to knock the soot; om the damperas it is turned, and also to have the amper with cup swells on the sides.

Description of tlzeDraw'ing forming part offllis Specejficat'ion. Figure I is a plan view of my invention. Figure II is 2.- sectional view of same.

General Description. A is't-he flat portion ot the damper. B, the handle and one of the gndgeons C, the other gndgeon.

- 2. A damper, when made with holes 1), cup E, and

tongues G, substantially as described.

' DAVID SANDERS.

Witnesses J B. SMITH, WILLIAM M. Hormon. 

